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Science · 2024 · 3 marks
CBSE 2024 · Region 3 · Set 3 · Q30
Write the name and location of a hormone which helps a person to respond when chased by a dog. Mention the responses in the body which help him to deal with the situation.
Marking-scheme solution
Name:- Adrenaline
Location:- Adrenal gland
Responses :
Heart beats faster resulting in supply of more oxygen to our muscles. Blood to the digestive system is reduced due to contraction of muscles around small arteries. Breathing rate increases due to the contractions of diaphragm and rib muscles.More from Control and Coordination
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CBSE Class 10 Science past-paper question from the 2024board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.